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Re: [Qemu-devel] [PATCH] qom: cpu: destroy work_mutex in cpu_common_fina


From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH] qom: cpu: destroy work_mutex in cpu_common_finalize
Date: Tue, 8 Jan 2019 00:41:09 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.1

On 02/01/19 08:41, Li Qiang wrote:
> Commit 376692b9dc6(cpus: protect work list with work_mutex)
> initialize a work_mutex in cpu_common_initfn, however forget
> to destroy it. This will cause resource leak when hotunplug cpu
> or hotplug cpu fails.
> 
> Signed-off-by: Li Qiang <address@hidden>
> ---
>  qom/cpu.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/qom/cpu.c b/qom/cpu.c
> index 9ad1372d57..367ebf9d61 100644
> --- a/qom/cpu.c
> +++ b/qom/cpu.c
> @@ -380,6 +380,9 @@ static void cpu_common_initfn(Object *obj)
>  
>  static void cpu_common_finalize(Object *obj)
>  {
> +    CPUState *cpu = CPU(obj);
> +
> +    qemu_mutex_destroy(&cpu->work_mutex);
>  }
>  
>  static int64_t cpu_common_get_arch_id(CPUState *cpu)
> 

Queued, thanks.

Paolo



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